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<div class="section">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="hash.changes"></a><a class="link" href="changes.html" title="Change Log">Change Log</a>
</h2></div></div></div>
<h3>
<a name="hash.changes.h0"></a>
      <span class="phrase"><a name="hash.changes.boost_1_33_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_33_0">Boost
      1.33.0</a>
    </h3>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
          Initial Release
        </li></ul></div>
<h3>
<a name="hash.changes.h1"></a>
      <span class="phrase"><a name="hash.changes.boost_1_33_1"></a></span><a class="link" href="changes.html#hash.changes.boost_1_33_1">Boost
      1.33.1</a>
    </h3>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
          Fixed the points example, as pointed out by 沈慧峰.
        </li></ul></div>
<h3>
<a name="hash.changes.h2"></a>
      <span class="phrase"><a name="hash.changes.boost_1_34_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_34_0">Boost
      1.34.0</a>
    </h3>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
          Use declarations for standard classes, so that the library doesn't need
          to include all of their headers
        </li>
<li class="listitem">
          Deprecated the <code class="computeroutput"><span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">functional</span><span class="special">/</span><span class="identifier">hash</span><span class="comment">/*.hpp&gt;</span></code> headers. Now a single header,
          &lt;<code class="computeroutput">boost/functional/hash.hpp</code>&gt;
          is used.
        </li>
<li class="listitem">
          Add support for the <code class="computeroutput"><span class="identifier">BOOST_HASH_NO_EXTENSIONS</span></code>
          macro, which disables the extensions to TR1.
        </li>
<li class="listitem">
          Minor improvements to the hash functions for floating point numbers.
        </li>
<li class="listitem">
          Update the portable example to hopefully be more generally portable.
        </li>
</ul></div>
<h3>
<a name="hash.changes.h3"></a>
      <span class="phrase"><a name="hash.changes.boost_1_34_1"></a></span><a class="link" href="changes.html#hash.changes.boost_1_34_1">Boost
      1.34.1</a>
    </h3>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
          <a href="http://svn.boost.org/trac/boost/ticket/952" target="_top">Ticket 952</a>:
          Suppress incorrect 64-bit warning on Visual C++.
        </li></ul></div>
<h3>
<a name="hash.changes.h4"></a>
      <span class="phrase"><a name="hash.changes.boost_1_35_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_35_0">Boost
      1.35.0</a>
    </h3>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
          Support for <code class="computeroutput"><span class="keyword">long</span> <span class="keyword">long</span></code>,
          <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">complex</span></code>.
        </li>
<li class="listitem">
          Improved algorithm for hashing floating point numbers:
          <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; ">
<li class="listitem">
                Improved portablity, as described by Daniel Krügler in <a href="http://lists.boost.org/boost-users/2005/08/13418.php" target="_top">a
                post to the boost users list</a>.
              </li>
<li class="listitem">
                Fits more information into each combine loop, which can reduce the
                the number of times combine is called and hopefully give a better
                quality hash function.
              </li>
<li class="listitem">
                Improved the algorithm for hashing floating point numbers.
              </li>
<li class="listitem">
                On Cygwin use a binary hash function for floating point numbers,
                as Cygwin doesn't have decent floating point functions for <code class="computeroutput"><span class="keyword">long</span> <span class="keyword">double</span></code>.
              </li>
<li class="listitem">
                Never uses <code class="computeroutput"><span class="identifier">fpclass</span></code>
                which doesn't support <code class="computeroutput"><span class="keyword">long</span>
                <span class="keyword">double</span></code>.
              </li>
<li class="listitem">
                <a href="http://svn.boost.org/trac/boost/ticket/1064" target="_top">Ticket 1064</a>:
                Removed unnecessary use of <code class="computeroutput"><span class="identifier">errno</span></code>.
              </li>
</ul></div>
        </li>
<li class="listitem">
          Explicitly overload for more built in types.
        </li>
<li class="listitem">
          Minor improvements to the documentation.
        </li>
<li class="listitem">
          A few bug and warning fixes:
          <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; ">
<li class="listitem">
                <a href="http://svn.boost.org/trac/boost/ticket/1509" target="_top">Ticket 1509</a>:
                Suppress another Visual C++ warning.
              </li>
<li class="listitem">
                Some workarounds for the Sun compilers.
              </li>
</ul></div>
        </li>
</ul></div>
<h3>
<a name="hash.changes.h5"></a>
      <span class="phrase"><a name="hash.changes.boost_1_36_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_36_0">Boost
      1.36.0</a>
    </h3>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
          Stop using OpenBSD's dodgy <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">numeric_limits</span></code>.
        </li>
<li class="listitem">
          Using the boost typedefs for <code class="computeroutput"><span class="keyword">long</span>
          <span class="keyword">long</span></code> and <code class="computeroutput"><span class="keyword">unsigned</span>
          <span class="keyword">long</span> <span class="keyword">long</span></code>.
        </li>
<li class="listitem">
          Move the extensions into their own header.
        </li>
</ul></div>
<h3>
<a name="hash.changes.h6"></a>
      <span class="phrase"><a name="hash.changes.boost_1_37_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_37_0">Boost
      1.37.0</a>
    </h3>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
          <a href="http://svn.boost.org/trac/boost/ticket/2264" target="_top">Ticket 2264</a>:
          In Visual C++, always use C99 float functions for <code class="computeroutput"><span class="keyword">long</span>
          <span class="keyword">double</span></code> and <code class="computeroutput"><span class="keyword">float</span></code>
          as the C++ overloads aren't always availables.
        </li></ul></div>
<h3>
<a name="hash.changes.h7"></a>
      <span class="phrase"><a name="hash.changes.boost_1_38_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_38_0">Boost
      1.38.0</a>
    </h3>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
          Changed the warnings in the deprecated headers from 1.34.0 to errors. These
          will be removed in a future version of Boost.
        </li>
<li class="listitem">
          Moved detail headers out of <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">container_hash</span><span class="special">/</span><span class="identifier">detail</span></code>,
          since they are part of functional/hash, not container_hash. <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">container_hash</span><span class="special">/</span><span class="identifier">detail</span><span class="special">/</span><span class="identifier">container_fwd</span><span class="special">.</span><span class="identifier">hpp</span></code> has been moved to <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">detail</span><span class="special">/</span><span class="identifier">container_fwd</span><span class="special">.</span><span class="identifier">hpp</span></code>
          as it's used outside of this library, the others have been moved to <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">functional</span><span class="special">/</span><span class="identifier">hash</span><span class="special">/</span><span class="identifier">detail</span></code>.
        </li>
</ul></div>
<h3>
<a name="hash.changes.h8"></a>
      <span class="phrase"><a name="hash.changes.boost_1_39_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_39_0">Boost
      1.39.0</a>
    </h3>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
          Move the hash_fwd.hpp implementation into the hash subdirectory, leaving
          a forwarding header in the old location. You should still use the old location,
          the new location is mainly for implementation and possible modularization.
        </li>
<li class="listitem">
          <a href="https://svn.boost.org/trac/boost/ticket/2412" target="_top">Ticket 2412</a>:
          Removed deprecated headers.
        </li>
<li class="listitem">
          <a href="https://svn.boost.org/trac/boost/ticket/2957" target="_top">Ticket 2957</a>:
          Fix configuration for vxworks.
        </li>
</ul></div>
<h3>
<a name="hash.changes.h9"></a>
      <span class="phrase"><a name="hash.changes.boost_1_40_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_40_0">Boost
      1.40.0</a>
    </h3>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
          Automatically configure the float functions using template metaprogramming
          instead of trying to configure every possibility manually.
        </li>
<li class="listitem">
          Workaround for when STLport doesn't support long double.
        </li>
</ul></div>
<h3>
<a name="hash.changes.h10"></a>
      <span class="phrase"><a name="hash.changes.boost_1_42_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_42_0">Boost
      1.42.0</a>
    </h3>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
          Reduce the number of warnings for Visual C++ warning level 4.
        </li>
<li class="listitem">
          Some code formatting changes to fit lines into 80 characters.
        </li>
<li class="listitem">
          Rename an internal namespace.
        </li>
</ul></div>
<h3>
<a name="hash.changes.h11"></a>
      <span class="phrase"><a name="hash.changes.boost_1_43_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_43_0">Boost
      1.43.0</a>
    </h3>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
          <a href="https://svn.boost.org/trac/boost/ticket/3866" target="_top">Ticket 3866</a>:
          Don't foward declare containers when using gcc's parallel library, allow
          user to stop forward declaration by defining the <code class="computeroutput"><span class="identifier">BOOST_DETAIL_NO_CONTAINER_FWD</span></code>
          macro.
        </li>
<li class="listitem">
          <a href="https://svn.boost.org/trac/boost/ticket/4038" target="_top">Ticket 4038</a>:
          Avoid hashing 0.5 and 0 to the same number.
        </li>
<li class="listitem">
          Stop using deprecated <code class="computeroutput"><span class="identifier">BOOST_HAS_</span><span class="special">*</span></code> macros.
        </li>
</ul></div>
<h3>
<a name="hash.changes.h12"></a>
      <span class="phrase"><a name="hash.changes.boost_1_44_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_44_0">Boost
      1.44.0</a>
    </h3>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
          Add option to prevent implicit conversions when calling <code class="computeroutput"><span class="identifier">hash_value</span></code>
          by defining <code class="computeroutput"><span class="identifier">BOOST_HASH_NO_IMPLICIT_CASTS</span></code>.
          When using <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">hash</span></code> for a type that does not have <code class="computeroutput"><span class="identifier">hash_value</span></code> declared but does have an
          implicit conversion to a type that does, it would use that implicit conversion
          to hash it. Which can sometimes go very wrong, e.g. using a conversion
          to bool and only hashing to 2 possible values. Since fixing this is a breaking
          change and was only approached quite late in the release cycle with little
          discussion it's opt-in for now. This, or something like it, will become
          the default in a future version.
        </li></ul></div>
<h3>
<a name="hash.changes.h13"></a>
      <span class="phrase"><a name="hash.changes.boost_1_46_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_46_0">Boost
      1.46.0</a>
    </h3>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
          Avoid warning due with gcc's <code class="computeroutput"><span class="special">-</span><span class="identifier">Wconversion</span></code> flag.
        </li></ul></div>
<h3>
<a name="hash.changes.h14"></a>
      <span class="phrase"><a name="hash.changes.boost_1_50_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_50_0">Boost
      1.50.0</a>
    </h3>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
          <a href="http://svn.boost.org/trac/boost/ticket/6771" target="_top">Ticket 6771</a>:
          Avoid gcc's <code class="computeroutput"><span class="special">-</span><span class="identifier">Wfloat</span><span class="special">-</span><span class="identifier">equal</span></code>
          warning.
        </li>
<li class="listitem">
          <a href="http://svn.boost.org/trac/boost/ticket/6806" target="_top">Ticket 6806</a>:
          Support <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">array</span></code> and <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">tuple</span></code>
          when available.
        </li>
<li class="listitem">
          Add deprecation warning to the long deprecated <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">container_hash</span><span class="special">/</span><span class="identifier">detail</span><span class="special">/</span><span class="identifier">container_fwd</span><span class="special">.</span><span class="identifier">hpp</span></code>.
        </li>
</ul></div>
<h3>
<a name="hash.changes.h15"></a>
      <span class="phrase"><a name="hash.changes.boost_1_51_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_51_0">Boost
      1.51.0</a>
    </h3>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
          Support the standard smart pointers.
        </li>
<li class="listitem">
          <code class="computeroutput"><span class="identifier">hash_value</span></code> now implemented
          using SFINAE to avoid implicit casts to built in types when calling it.
        </li>
<li class="listitem">
          Updated to use the new config macros.
        </li>
</ul></div>
<h3>
<a name="hash.changes.h16"></a>
      <span class="phrase"><a name="hash.changes.boost_1_52_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_52_0">Boost
      1.52.0</a>
    </h3>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
          Restore <code class="computeroutput"><span class="keyword">enum</span></code> support, which
          was accidentally removed in the last version.
        </li>
<li class="listitem">
          New floating point hasher - will hash the binary representation on more
          platforms, which should be faster.
        </li>
</ul></div>
<h3>
<a name="hash.changes.h17"></a>
      <span class="phrase"><a name="hash.changes.boost_1_53_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_53_0">Boost
      1.53.0</a>
    </h3>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
          Add support for <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">int128_type</span></code> and <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">uint128_type</span></code>
          where available - currently only <code class="computeroutput"><span class="identifier">__int128</span></code>
          and <code class="computeroutput"><span class="keyword">unsigned</span> <span class="identifier">__int128</span></code>
          on some versions of gcc.
        </li>
<li class="listitem">
          On platforms that are known to have the standard floating point functions,
          don't use automatic detection - which can break if there are ambiguous
          overloads.
        </li>
<li class="listitem">
          Fix undefined behaviour when using the binary float hash (Thomas Heller).
        </li>
</ul></div>
<h3>
<a name="hash.changes.h18"></a>
      <span class="phrase"><a name="hash.changes.boost_1_54_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_54_0">Boost
      1.54.0</a>
    </h3>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
          <a href="https://svn.boost.org/trac/boost/ticket/7957" target="_top">Ticket 7957</a>:
          Fixed a typo.
        </li></ul></div>
<h3>
<a name="hash.changes.h19"></a>
      <span class="phrase"><a name="hash.changes.boost_1_55_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_55_0">Boost
      1.55.0</a>
    </h3>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
          Simplify a SFINAE check so that it will hopefully work on Sun 5.9 (<a href="https://svn.boost.org/trac/boost/ticket/8822" target="_top">#8822</a>).
        </li>
<li class="listitem">
          Suppress Visual C++ infinite loop warning (<a href="https://svn.boost.org/trac/boost/ticket/8568" target="_top">#8568</a>).
        </li>
</ul></div>
<h3>
<a name="hash.changes.h20"></a>
      <span class="phrase"><a name="hash.changes.boost_1_56_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_56_0">Boost
      1.56.0</a>
    </h3>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
          Removed some Visual C++ 6 workarounds.
        </li>
<li class="listitem">
          Ongoing work on improving <code class="computeroutput"><span class="identifier">hash_combine</span></code>.
          This changes the combine function which was previously defined in the reference
          documentation.
        </li>
</ul></div>
<h3>
<a name="hash.changes.h21"></a>
      <span class="phrase"><a name="hash.changes.boost_1_58_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_58_0">Boost
      1.58.0</a>
    </h3>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
          Fixed strict aliasing violation (<a href="https://github.com/boostorg/container_hash/pull/3" target="_top">GitHub
          #3</a>).
        </li></ul></div>
<h3>
<a name="hash.changes.h22"></a>
      <span class="phrase"><a name="hash.changes.boost_1_63_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_63_0">Boost
      1.63.0</a>
    </h3>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
          Fixed some warnings.
        </li>
<li class="listitem">
          Only define hash for <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">wstring</span></code>
          when we know we have a <code class="computeroutput"><span class="keyword">wchar_t</span></code>.
          Otherwise there's a compile error as there's no overload for hashing the
          characters in wide strings (<a href="https://svn.boost.org/trac/boost/ticket/8552" target="_top">#8552</a>).
        </li>
</ul></div>
<h3>
<a name="hash.changes.h23"></a>
      <span class="phrase"><a name="hash.changes.boost_1_64_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_64_0">Boost
      1.64.0</a>
    </h3>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
          Fix for recent versions of Visual C++ which have removed <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">unary_function</span></code> and <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">binary_function</span></code>
          (<a href="https://svn.boost.org/trac/boost/ticket/12353" target="_top">#12353</a>).
        </li></ul></div>
<h3>
<a name="hash.changes.h24"></a>
      <span class="phrase"><a name="hash.changes.boost_1_65_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_65_0">Boost
      1.65.0</a>
    </h3>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
          Support for <code class="computeroutput"><span class="keyword">char16_t</span></code>, <code class="computeroutput"><span class="keyword">char32_t</span></code>, <code class="computeroutput"><span class="identifier">u16string</span></code>,
          <code class="computeroutput"><span class="identifier">u32string</span></code>
        </li></ul></div>
<h3>
<a name="hash.changes.h25"></a>
      <span class="phrase"><a name="hash.changes.boost_1_66_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_66_0">Boost
      1.66.0</a>
    </h3>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
          Avoid float comparison warning when using Clang - this workaround was already
          in place for GCC, and was used when Clang pretends to be GCC, but the warning
          was appearing when running Clang in other contexts.
        </li></ul></div>
<h3>
<a name="hash.changes.h26"></a>
      <span class="phrase"><a name="hash.changes.boost_1_67_0"></a></span><a class="link" href="changes.html#hash.changes.boost_1_67_0">Boost
      1.67.0</a>
    </h3>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
          Moved library into its own module, <code class="computeroutput"><span class="identifier">container_hash</span></code>.
        </li>
<li class="listitem">
          Moved headers for new module name, now at: <code class="computeroutput"><span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">container_hash</span><span class="special">/</span><span class="identifier">hash</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span></code>,
          <code class="computeroutput"><span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">container_hash</span><span class="special">/</span><span class="identifier">hash_fwd</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span></code>, <code class="computeroutput"><span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">container_hash</span><span class="special">/</span><span class="identifier">extensions</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span></code>.
        </li>
<li class="listitem">
          Added forwarding headers to support the old headers locations.
        </li>
<li class="listitem">
          Support <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">string_view</span></code>, <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">error_code</span></code>,
          <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">error_condition</span></code> <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">optional</span></code>,
          <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">variant</span></code>, <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">monostate</span></code>
          where available.
        </li>
<li class="listitem">
          Update include paths from other Boost libraries.
        </li>
<li class="listitem">
          Manually write out tuple overloads, rather than using the preprocessor
          to generate them. Should improve usability, due to better error messages,
          and easier debugging.
        </li>
<li class="listitem">
          Fix tutorial example (<a href="https://svn.boost.org/trac/boost/ticket/11017" target="_top">#11017</a>).
        </li>
<li class="listitem">
          Quick fix for hashing <code class="computeroutput"><span class="identifier">vector</span><span class="special">&lt;</span><span class="keyword">bool</span><span class="special">&gt;</span></code> when using libc++. Will try to introduce
          a more general fix in the next release.
        </li>
</ul></div>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright © 2005-2008 Daniel
      James<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
        file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
      </p>
</div></td>
</tr></table>
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